Why they moved: filings and halts

Stored SEC filings and exchange halt records for each leader between the previous close (2026-10-26 16:00 ET) and this session’s close (2026-10-27 16:00 ET). Facts with source links; no interpretation.

Rank 1BRAI

Braiin Ltd

Opening gap: +52.36%
Day: +56.13%
HOD (ET): 5.2019:58 ET
Est. turnover: $193.6M

No SEC filing or news found by the close.

Rank 2AIOK

AI OKTO Corp.

Opening gap: +48.42%
Day: +46.51%
HOD (ET): 17.7209:47 ET
Est. turnover: $439.8M

4FORM 42026-10-27 14:30 ET
Trading haltLULD volatility pause (LUDP) · resumed 2026-10-27 09:37 ET · Exchange halt records2026-10-27 09:32 ET
Trading haltLULD volatility pause (LUDP) · resumed 2026-10-27 09:57 ET · Exchange halt records2026-10-27 09:52 ET

Rank 3NEXR

Nexera Technologies Ltd

Opening gap: +42.60%
Day: +21.77%
HOD (ET): 0.8509:53 ET
Est. turnover: $138.5M

No SEC filing or news found by the close.

Rank 4MFIC

MidCap Financial Investment Corp

Opening gap: +22.01%
Day: +22.73%
HOD (ET): 10.4506:02 ET
Est. turnover: $81.4M

8-KEarningsAres Capital Corporation Agrees to Acquire MidCap Financial Investment Corporation2026-10-27 06:40 ET

Rank 5CLRO

CLEARONE INC

Opening gap: +20.52%
Day: +0.40%
HOD (ET): 6.7108:04 ET
Est. turnover: $153.5M

Trading haltLULD volatility pause (LUDP) · resumed 2026-10-27 16:00 ET · Exchange halt records2026-10-27 15:45 ET

Rank 6JBLU

JETBLUE AIRWAYS CORP

Opening gap: +17.09%
Day: +18.99%
HOD (ET): 2.9713:08 ET
Est. turnover: $197.1M

8-KEarningsEx 99.1 - Earnings Release2026-10-26 16:15 ET

Rank 7POM

POMDOCTOR Ltd

Opening gap: +16.81%
Day: +23.01%
HOD (ET): 1.4807:23 ET
Est. turnover: $15.7M

No SEC filing or news found by the close.

Rank 8KNSA

Kiniksa Pharmaceuticals International, plc

Opening gap: +16.47%
Day: +22.23%
HOD (ET): 90.8013:34 ET
Est. turnover: $203.9M

8-KEarningsKiniksa Pharmaceuticals Reports Third Quarter 2026 Financial Results and Recent Portfolio Execution2026-10-27 07:32 ET

Rank 9IMSR

Terrestrial Energy Inc. /DE/

Opening gap: +14.46%
Day: +11.90%
HOD (ET): 3.4709:40 ET
Est. turnover: $12.3M

8-KOtherTerrestrial Energy Inc. /DE/ filed an 8-K: Other Events2026-10-27 07:49 ET

Rank 10GUNN

Gunnison Copper Corp. American Depositary Shares, each representing thirty (30) Common Shares

Opening gap: +12.27%
Day: -3.84%
HOD (ET): 13.0004:14 ET
Est. turnover: $12.3M

No SEC filing or news found by the close.

Retrospective data built after the session from stored records, with links to the original sources. Not real-time, not investment advice and not a recommendation to buy or sell any security.